spiral welded pipe blast


16 Apr
16Apr

Preheating purposes: First, through the sluggish preheating to reduce the temperature difference between the zinc pot is simply too giant lead to burst burst and components of the sudden deformation, 4 inch galvanized steel pipe enhance service life; the second is to stop the new surface of the dross is just not straightforward to take away, (5) roller into the zinc pot have to be the surface of the zinc pot scum fishing internet, bearing place and shaft hole can't stick slag, to prevent the curler caught doesn't flip.

Happens when spiral welded pipe blast, the weld suffered stress and the resultant stress being comparatively small, blasting the mouth is generally not originated in the spiral weld, its safety Longitudinal excessive ratio. Primary merchandise : plates , H-beam, constructing material , pipe, coating stainless-steel, variety steel, cold and warm rolled steel coil , they're more than 500 varieties.

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